The Papers of John Jay is an image database and indexing tool comprising some 13,000 documents (more than 30,000 page images) scanned chiefly from photocopies of original documents.
Music for the Nation: American Sheet Music contains more than 62,500 pieces of historical sheet music registered for copyright: more than 15,000 registered during the years 1820-1860 and more than 47,000 registered during the years 1870-1885
Essential records relating to one of America's earliest colonies, from 1664 to 1780, including military, tax, marriage, and land records, as well as documents from American history covering the Revolutionary War and the Whiskey Rebellion